Why do pigeons bob their heads?
Jan 02, 2015•21 min•Ep. 293
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Episode description
How do chameleons change colour? Why do pigeons bob their heads when they walk? How do railguns work? Can you freeze dry a body? What causes localised hair-loss? What's the best way to cool down beer? Plus, an update on Ebola... Like this podcast? Please help us by supporting the Naked Scientists
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